卢瑟福陨石坑

C.L.Chan

在弟谷隕坑的南邊, 有個230 km直徑的克拉维斯环形山(Clavius), 它的特點是有5由大至小的隕坑在坑中成孤形排列,最大一個叫卢瑟福陨石坑（Rutherford）他就是提出放射物質有半衰期現象及發現原子的中質子的人, UT 2020/10/26: 12h34m, Telescope TECMaksutov-Cassegrain MC200/20, D=20cm, F.L.=400cm, Losmandy G-11 EquatorialMount with motor drive. Camera QHY 5III 224 Color Cam,  Shoot by FireCapture at Gamma=100, Gain=38,Expo= 0.3ms/frame, frame rate=20 frames/sec, RGB & avi format, stack andprocess 30% best frames in 1798 frames,­ with Software AstroStackert 3 withDSR, wavelet with RegiStax V.6,  finaltouch by Microsoft photo. Atmospheric condition: Transparent: 9­/10, Seeing:6/10, Equipment borrowed from Mr. Ng. The photo was taken at Kennedy Town堅尼地城, Hong Kong.